OBD fault code library
Look up any P or U code to see what it means, what causes it, the parts involved and how it gets fixed.
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Fault codes
P0116
Engine Coolant Temperature Circuit Range/Performance Problem
Generic
Fuel and Air Metering
High severity
P0121
Throttle/Pedal Position Sensor/Switch A Circuit Range/Performance
Generic
Fuel and Air Metering
High severity
P0122
Throttle Position Sensor/Switch A Circuit Low Input
Generic
Fuel and Air Metering
High severity
P0124
Throttle Position Sensor/Switch A Circuit Intermittent
Generic
Fuel and Air Metering
High severity
P0125
Insufficient Coolant Temperature for Closed Loop Fuel Control
Generic
Fuel and Air Metering
High severity
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